CA2529556C - Communication unit with a handoff - Google Patents

Communication unit with a handoff Download PDF

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Publication number
CA2529556C
CA2529556C CA2529556A CA2529556A CA2529556C CA 2529556 C CA2529556 C CA 2529556C CA 2529556 A CA2529556 A CA 2529556A CA 2529556 A CA2529556 A CA 2529556A CA 2529556 C CA2529556 C CA 2529556C
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CA
Canada
Prior art keywords
communication unit
network
call
enterprise server
cellular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA2529556A
Other languages
English (en)
French (fr)
Other versions
CA2529556A1 (en
Inventor
Uday C. Sagi
Jheroen P. Dorenbosch
Anand B. Alen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motorola Solutions Inc filed Critical Motorola Solutions Inc
Publication of CA2529556A1 publication Critical patent/CA2529556A1/en
Application granted granted Critical
Publication of CA2529556C publication Critical patent/CA2529556C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1101—Session protocols
    • H04L65/1104—Session initiation protocol [SIP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2662—Arrangements for Wireless System Synchronisation
    • H04B7/2671—Arrangements for Wireless Time-Division Multiple Access [TDMA] System Synchronisation
    • H04B7/2678—Time synchronisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H04W36/144—Reselecting a network or an air interface over a different radio air interface technology
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
    • H04W80/08—Upper layer protocols
    • H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/14—Reselecting a network or an air interface
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/34—Reselection control
    • H04W36/36—Reselection control by user or terminal equipment

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
CA2529556A 2003-06-30 2004-06-16 Communication unit with a handoff Expired - Fee Related CA2529556C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/610,277 US20040264410A1 (en) 2003-06-30 2003-06-30 Method and apparatus for providing a communication unit with a handoff between networks
US10/610,277 2003-06-30
PCT/US2004/019006 WO2005006570A2 (en) 2003-06-30 2004-06-16 Communication unit with a handoff

Publications (2)

Publication Number Publication Date
CA2529556A1 CA2529556A1 (en) 2005-01-20
CA2529556C true CA2529556C (en) 2012-01-24

Family

ID=33541100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2529556A Expired - Fee Related CA2529556C (en) 2003-06-30 2004-06-16 Communication unit with a handoff

Country Status (7)

Country Link
US (2) US20040264410A1 (de)
EP (1) EP1678835B1 (de)
JP (1) JP4607871B2 (de)
KR (1) KR100755199B1 (de)
AT (1) ATE525876T1 (de)
CA (1) CA2529556C (de)
WO (1) WO2005006570A2 (de)

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EP1678835B1 (de) 2011-09-21
WO2005006570A3 (en) 2007-03-01
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US20040264410A1 (en) 2004-12-30
EP1678835A4 (de) 2008-12-24
ATE525876T1 (de) 2011-10-15
KR100755199B1 (ko) 2007-09-05
EP1678835A2 (de) 2006-07-12
US20070217366A1 (en) 2007-09-20
JP2007527644A (ja) 2007-09-27
JP4607871B2 (ja) 2011-01-05
CA2529556A1 (en) 2005-01-20

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